Face recognition technology is divided into 1:1 comparison and 1:N comparison, for banks can use smart cards and face recognition 1:1 comparison way want to end, its advantage is the double verification technology, first need intelligent IC card or ID card verification, after verification through, can be face recognition verification, face recognition verification before opening the door, compared with the simple use of smart card access control system, security Higher, suitable for high security places like banks to use